public async Task CreateStreamTwice ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
using var stream = await provider.CreateStreamAsync (provider.Files[0], false, CancellationToken.None);
Assert.ThrowsAsync<InvalidOperationException> (() => provider.CreateStreamAsync (provider.Files[0], false, CancellationToken.None));
}
public async Task ReadPastEndOfStream ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: false, CancellationToken.None).WithTimeout ();
stream.Seek (0, SeekOrigin.End);
Assert.AreEqual (0, await stream.ReadAsync (new byte[1], 0, 1).WithTimeout ());
}
public async Task SeekPastEnd ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: false, CancellationToken.None).WithTimeout ();
stream.Seek (stream.Length + 100, SeekOrigin.Begin);
Assert.AreEqual (stream.Length, stream.Position);
}
public async Task CreateStream ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: false, CancellationToken.None);
Assert.IsNotNull (stream);
Assert.AreEqual (0, stream.Position);
Assert.AreEqual (provider.Files[0].Length, stream.Length);
}
public async Task CreateStream()
{
var provider = new StreamProvider(Engine, "testDir", Torrent);
await provider.StartAsync();
using var stream = await provider.CreateStreamAsync(provider.Files[0], false, CancellationToken.None);
Assert.IsNotNull(stream);
}
public async Task CreateStream_Prebuffer ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
await provider.Manager.WaitForState (TorrentState.Downloading);
provider.Manager.Bitfield.SetAll (true); // should not be allowed by public API.
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: true, CancellationToken.None);
Assert.IsNotNull (stream);
Assert.AreEqual (0, stream.Position);
Assert.AreEqual (provider.Files[0].Length, stream.Length);
}
public async Task ReadLastByte ()
{
var provider = new StreamProvider (Engine, "testDir", Torrent);
await provider.StartAsync ();
await provider.Manager.WaitForState (TorrentState.Downloading).WithTimeout ();
provider.Manager.Bitfield.SetAll (true); // the public API shouldn't allow this.
using var stream = await provider.CreateStreamAsync (provider.Files[0], prebuffer: false, CancellationToken.None).WithTimeout ();
stream.Seek (1, SeekOrigin.End);
Assert.AreEqual (1, await stream.ReadAsync (new byte[1], 0, 1).WithTimeout ());
stream.Seek (1, SeekOrigin.End);
Assert.AreEqual (1, await stream.ReadAsync (new byte[5], 0, 5).WithTimeout ());
}
public async Task SeekToMiddle()
{
var provider = new StreamProvider(Engine, "testDir", Torrent);
await provider.StartAsync();
await provider.Manager.WaitForState(TorrentState.Downloading);
provider.Manager.Bitfield.SetAll(true); // should not be allowed by public API.
using var stream = await provider.CreateStreamAsync(provider.Files[0], prebuffer : false, CancellationToken.None);
stream.Seek(12345, SeekOrigin.Begin);
Assert.AreEqual(provider.Manager.ByteOffsetToPieceIndex(12345), provider.Requester.HighPriorityPieceIndex);
}